THE PAYETTE COUNTY LAND BRIEF
Land in the
Unwooded Alkaline Foothills setting.
Payette County has 406.9 square miles of land in Idaho. 3 mapped landscape regions meet across Payette County: Unwooded Alkaline Foothills, Treasure Valley, Semiarid Foothills.
The Snake River Plain is lower and gentler than its surrounding mountains. Alluvial valleys, sagebrush-covered plains, low hills and scattered lava fields form its principal landscape patterns.
Regional context: Snake River Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Payette County intersects 3 mapped regional units. The largest mapped shares are:
- Unwooded Alkaline Foothills63.8%
- Treasure Valley29.2%
- Semiarid Foothills7%
Finding your parcel within Payette County
The atlas lists 3 cities, towns, townships, and Census communities associated with Payette County, including Payette, Fruitland, New Plymouth. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Payette County by land and water
The Census records 3.44 square miles of water within Payette County, or 0.8% of its total area. That share is close to Payette County’s 0.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Payette County has 591.4 times the land area of nearby New Plymouth city (0.69 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Canyon County, Gem County, Washington County within Idaho. A tract near one of these lines should be matched to the county identifier on its own records.

